Chevrolet Silverado 1500 2023 — technical service bulletin
Bulletin N222392670 · NHTSA communication 10236355 · issued May 17, 2023
Technical service bulletin
communication type
Power Train
component
2023
model years
3
vehicle entries
Official summary
Service Update. Certain vehicles may have a condition where the transmission reaction carrier (an internal component) may have been damaged during assembly. Dealers are to replace the transmission.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.